Answer:
Inches
Explanation:
An inch is a unit of measurement in the Imperial system of measurement. Everything else is used in the International System of Units.
The unit of measure never is used in the International System of Units is inches. The correct option is A.
What is International System of Units?The International System of Units, abbreviated SI in all languages and sometimes pleonastically as the SI system, is the modern version of the metric system and the world's most widely used measurement system.
The International System of Units (SI), also known as the French Système International d'Unités, is a decimal international system of weights and measures derived from and expanding on the metric system of units.
The 11th General Conference on Weights and Measures adopted it in 1960, and it is abbreviated SI in all languages.
The International System of Units (SI) is a measurement system based on seven basic units: the metre (length), kilogram (mass), second (time), ampere (electric current), kelvin (temperature), mole (quantity), and candela. These base units can be combined with one another.
Thus, the correct option is A.
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You traveled 150.meters south at a speed of 1.50m/s, and then traveled 600. Meters north at a rate of 2.00 m/s.
1. Wha is the total time of the trip ?
2. What was your average speed ?
3. What was your average velocity ?
Answer:
1.) 400s
2.) 1.875 m/s
3.) 1.125 m/s
Explanation:
Given that you traveled 150.meters south at a speed of 1.50m/s,
Time = distance/ speed
Substitute speed and distance into the formula
Time = 150/1.5
Time = 100 s
and then traveled 600. Meters north at a rate of 2.00 m/s.
Time = 600 / 2
Time = 300 s
1.) Total time = 100 + 300
Total time = 400 s
2.) The average speed will be total distance travelled over total time.
Total distance travelled = 150 + 600
Total distance travelled = 750 m
Substitute all the parameters into the formula
Average speed = 750/400
Average speed = 1.875 m/s
3.) Average velocity will be displacement over total time
Displacement = 600 - 150
Displacement = 450 m
Average velocity = 450/400
Average velocity = 1.125 m/s
A cathode ray tube is made of glass with a small amount of some kind of gas in it. It has metal electrodes at each end to pick up an electric current. The electrodes are named "positive” and "negative,” which were words used by Benjamin Franklin in the 1700s to describe electricity. A bright ray forms in the gas when an electric current is applied to metal electrodes. In the 1800s, an important scientist suspected that the negatively charged particles in a cathode ray were present in all atoms
Answer:
Make cathode-ray tubes with various materials and see whether the beam should be the same.
Explanation:
Cathode ray tube seems to be a transverse wave or vacuum tube throughout which the electron beam becomes transmitted onto a phosphor-coated panel to create a luminous position at that same point on a surface established either by influence on the electron beam of the varying magnetic field inside the container.This beam flowing from either the negative (-) charge portion including its vacuum (cathode) to something like the positive (+) charges plate (anode).A proper cool-down
O increases the heart-rate
O makes muscles cold
O helps prevent fainting or dizziness
none are correct
Answer:
Option D (none are correct) is the appropriate solution.
Explanation:
After yet another workout, a cool or calming down allows the breathing as well as pulse rate to recover more quickly. It will also assist to eliminate the lactic acid build-up during the exercise, eventually increasing the muscle soreness with delayed onset. Wind yourself off for 5 to 10 minutes by taking public transportation a stationary bicycle.Some other three scenarios do not correspond to something like the situation described. So, this same correct decision is the one above.
What is the twisted ladder shape of the DNA called? 3D model nucleotides double helix single strand
Answer: double helix
Explanation: Double helix is the description of the structure of a DNA molecule. A DNA molecule consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating groups of sugar (deoxyribose) and phosphate groups.
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The twisted ladder shape of the DNA called double helix.
What is DNA?A polymer made of two polynucleotide chains that coil around one another to form a double helix is called deoxyribonucleic acid. All known organisms and many viruses have genetic information in the polymer that is necessary for their development, operation, growth, and reproduction.
Nucleic acids include DNA and ribonucleic acid (RNA). Nucleic acids are one of the four main categories of macromolecules that are necessary for all known forms of life, along with proteins, lipids, and complex carbohydrates (polysaccharides).
Because the two DNA strands are made up of simpler monomeric units termed nucleotides, they are referred to as polynucleotides.
Each nucleotide is made up of a phosphate group, a deoxyribose sugar, and one of the four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A], or thymine [T]).
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Which principle of sports rule provides the opportunity for equal competition for everyone?
Answer: Strict Equality
The Principle of Strict Equality. All competitors receive the same prize, irrespective of their ranking as winners and losers and whether or not such a ranking is employed. That is not to say that there are literally no competitions or games which adhere to this principle.
Answer:
Fairness
Explanation:
Read the passage about the health risks of single-load liquid laundry packets. These packets are filled with concentrated, toxic chemicals. A 7-month-old in Florida died from swallowing the soap. Several soap and detergent companies are conducting studies to address these safety concerns; they want to reduce toxicity and to make the packets look less like candy. The U.S. Consumer Product Safety Commission (CPSC) is also performing studies to build more safety into these products. Why would the CPSC perform studies when other soap and detergent companies have already conducted research on the same products? The CPSC is the only organization that can test the safety of soaps and detergents. Studies conducted by any company that benefits financially are considered unreliable. Studies performed by the CPSC give reliability to the results of improved safety obtained by each soap company. Tests performed by the CPSC follow established scientific methods, but those performed by soap companies do n
Answer:
Studies performed by the CPSC give reliability to the results of improved safety obtained by each soap company.
Explanation:
The CPSC perform case studies when other soap and detergent companies have already conducted research on the same products because of the studies performed by the CPSC gives reliability to the results of improved safety obtained via each soap company.
The third option is correct.
What are chemicals?The chemicals are the artificially prepared or purified and a distinct compound or substance.
Given is the passage about the health risks of single-load liquid laundry packets. The packets are filled with concentrated, toxic chemicals. A 7-month-old child in Florida died from swallowing the soap accidently. Several soap and detergent companies are conducting studies to address these safety concerns. They want to reduce toxicity and to make the packets look less like candy. The U.S. Consumer Product Safety Commission (CPSC) is also performing case studies to build more safety into these products.
The reason for CPSC to perform case studies when other soap and detergent companies have already conducted research on the same products is the studies performed by the CPSC gives reliability to the results of improved safety obtained via each soap company.
Thus, the third option is correct.
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6. If a bicyclist, with initial velocity of zero, steadily gained speed until reaching a final velocity of 39m/s, how far would she travel
during the race in the same amount of time)?
Answer:
175 m
Explanation:
The average velocity for constant acceleration is the average of the beginning and ending velocities. That is (0+39)/2=19.5 m/s. If the bicyclist rides for 9 seconds, the distance traveled is ...
(9 s)(19.5 m/s) = 175.5 m
She would travel 175.5 meters in that time.
The distance traveled by the bicyclist at the same time period is 175.5 m.
Your question not complete, i believe it is missing this additional information below:
"Seven bicyclist are racing. Each bicyclist rides for 9s, If a bicyclist, with initial velocity of zero, steadily gained speed until reaching a final velocity of 39m/s, how far would she travel during the race in the same amount of time?"
The given parameter:
initial velocity of the bicyclist, u = 0
final velocity of the bicyclist, v = 39 m/s
time of motion of the each bicyclist, t = 9s
To find:
The distance traveled by the bicyclistLet the distance traveled by the bicyclist = s
The distance traveled by the bicyclist at the same time period is calculated as;
[tex]s = (\frac{u+v}{2} )t\\\\s = (\frac{0 + 39}{2} ) \times 9\\\\s = 19.5 \times 9\\\\s = 175.5 \ m[/tex]
Thus, the distance traveled by the bicyclist at the same time period is 175.5 m.
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which of the items has the least inertia while at rest? A. penny. B. airplane. C. frog. D. dog.
Answer:
A penny
Explanation:
is carbon dioxide a element?
Answer:
Carbon Dioxide is a compound and not an element.
Answer:
Carbon dioxide is a compound.
Explanation:
Elements are when you only have one type of atom that makes it up. Carbon dioxide is made up of two different types of atoms.
3. A man heads up a trail going north to see a lake. The trail is 5 miles long and it takes him
2 hours to get there. What was his velocity?
Answer:
v = 2.5 mi/h
Explanation:
The velocity of an object is defined as the time rate of change of its position. In other words the velocity of an object is just a ration of displacement covered by the object to the time taken by the object, to cover that distance. So, in this case we will use the same formula or equation to calculate the velocity of the man. The formula is as follows:
v = s/t
where,
v = velocity of the man = ?
s = distance of the trail = 5 miles
t = time required to complete the trail = 2 h
Therefore,
v = 5 miles/ 2 h
v = 2.5 mi/h
Who know what parkour is list 1 thing that u know about parkour
Answer:
Excuse me? I'm truley sorry but I cannot understand you
Explanation:
A bus increases its velocity from 20m/s to 30m/s in 4s. Find its
acceleration.
(Ans: 2.5m/s?
Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{2.5 \: m \: / \: {s} \: ^{2} }}}}}[/tex]
Explanation:
[tex] \star{ \text{ Given}}[/tex] :
Initial velocity ( u ) = 20 m / s
Final velocity ( v ) = 30 m / s
Time taken ( t ) = 4 second
[tex] \star{ \text{ \: To \: Find}}[/tex] :
Acceleration of a bus ( A ) = ?
We know,
[tex] \boxed{ \sf{acceleration \: ( \: a \: ) \: = \frac{final \: velocity(v) - \: initial \: velocity \: ( \: u \: )}{time \: taken \: ( \: t \: )}}} [/tex]
[tex] \longmapsto \: { \sf{ \: acceleration = \frac{30 - 20}{4} }}[/tex]
[tex] \longmapsto{ \sf{ \: acceleration = \frac{10}{4} }}[/tex]
[tex] \longmapsto{ \sf{acceleration = 2.5 \: m \: / \: {s} \: ^{2} }}[/tex]
The acceleration of bus = 2.5 m / s ²
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Metric system please help me I don’t know how to do this
Answer:
11. 6700L
12. 0.0000238
13. 1805
14. 3800
15. 1400
16. 0.01428
17. 0.0003585
18. 0.0415
19. 4060.0
20.0.105
The acceleration of a falling rock that was initially moving 5 m/s, and had a final velocity of 11 m/s after accelerating for 3 seconds.
Answer:
2 m/s²
Explanation:
Given:
v₀ = 5 m/s
v = 11 m/s
t = 3 s
Find: a
v = at + v₀
11 m/s = a (3 s) + 5 m/s
a = 2 m/s²
. What is the momentum of A 200 kg shark swimming at 15 m/s? Don’t forget units!
Answer:
momentum= 200 × 15
= 3000 kg m/s
Explanation:
we know,
mometum= mass × velocity
You raise a penny for ever meter you walk, You walk 15 kilometers. How much money did you raise??
Answer: 15,000 pennies
Explanation:
Answer:
15000 pennies = 150 dollars
Explanation:
1 kilometer = 1000 meters
15 kilometers = 15000
15000 pennies / 100 pennies =150 pennies
15000 pennies converted to dollars is 150
An observer sitting at a bus stop sees the bus drive by at 30 m/s to the east. He also sees a
passenger on the bus walking to the back at 2 m/s. What is the passenger's velocity relative
to the bus?
Answer:
32 m/s
Explanation:
The speed of a bus is 30 m/s due East wrt the passenger
He also sees a passenger on the bus walking to the back at 2 m/s.
We need to find the passenger's velocity relative to the bus. As the observer sees that the bus and the passenger are moving in opposite direction. Let v is the relative velocity. So,
v = 30 m/s + 2 m/s
v = 32 m/s
Hence, the passenger's velocity relative to the bus is 32 m/s.
What do u do if ur baby sitting and the kid falls down the stairs and breaks his nose. Should I tell the parents or no? What do I do
Answer:
Call the parent's for the safety of the baby
Explanation:
CALL 911.
THEN CALL THE PARENTS.
RIGHT NOW ! ! !
Which best describes the relationship between hardware and software? Software instructs hardware how to perform. Software allows users to interact with hardware. Hardware directs the performance of software. Hardware enables software to perform correctly.
Answer:
A
Explanation:
Answer:
aAAAAAA
Explanation:
A rocket is launched from the launch pad at a speed of 700 km/hr.
How far will the rocket have traveled after 1.5 hour?
Answer:
Explanation:
Vm = Δs/Δt
700km/h = Δs/1.5h
700 = Δs/1.5
[tex]\frac{700}{1} = \frac{S}{1.5}[/tex]
S = 700 x 1.5
S = 1050 Km
*(S = Δs)
Answer: The rocket will have traveled 1050 Km
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After 1.5 hour the rocket will have traveled 1023.54 km.
What is speed?In everyday use and in kinematics, the speed (commonly referred to as v) of an object is the magnitude of the change of its position over time or the magnitude of the change of its position per unit of time; it is thus a scalar quantity. SI unit of speed is meter/second.
Initial speed of the rocket = 700 km/hr
= 700 (1000/3600) meter/second
= 194.44 meter/second
Acceleration due to gravity is = 9.8 m/s²
Time interval is = 1.5 hour = 1.5 × 60 × 60 second
hence, after 1.5 hour the rocket will have traveled = (194.44) (1.5 × 60 × 60) - 1/2×9.8×(1.5×60×60)² meter
= 1050000 meter - 26460 meter
= 1023540 meter
= 1023.54 km.
So, the rocket will have traveled 1023.54 km after 1.5 hour .
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When a marble is at rest what happened
Answer: the marble will remain in place at a constant velocity of zero
Explanation:
Newton's first law states that a body at rest will remain at rest, and a body in motion will remain in motion in a straight line at a constant velocityunless acted upon by an outside force
02.04 Thermal Energy and Chemical Change lab report
Answer:
You should use the evaporative cooler
Explanation:
Because its not fast but will help you remover around the tracks.
Two forces act in opposite directions on a wood block. What will happen if the forces are unbalanced?
Answer: Its the last one: The position of the block will change
Explanation: Since the forces are unbalanced, one side of the block will be stronger, therefore making the block move.
Answer:portion of the block will change
Explanation:
WHAT IS THE MASS OF AN OBJECT THAT WEIGHS 100 N?
Answer:
10.2 kg
Explanation:
Assuming the object is on Earth:
w = mg
m = w / g = 100 / 9.81 = 10.2kg
A drag racer starts her car from rest and accelerates at 10.9 m/s^2 for the entire distance of 226 m. How long did it take the car to travel this
distance? Answer in units of s.
u=0
a=10.9m/s^2
s=226m
v^2-u^2=2as
v^2=2 (10.9)(226)
v^2=49268
v=70.2m/s^2
v=u+at
70.2=0+10.9 (t)
70.2/10.9=t
t=6.44s
what do you meant by charging by rubbing
Please give the answer
Answer:
Explanation:
When two materials are rubbed against each other, they become charged.
It is called charging by rubbing.
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A friend waves & yells at you. If the sound took 3.20 seconds to reach you and the speed of sound is 340 m/s,
how far away was your friend?
Answer:
1088 m
Explanation:
3.00 seconds times by 340 =1020+68=1088
Help me please I only have a few minutes to get this doneplease and thank q
A student leaves their history classroom and walks 20 meters north to a drinking fountain. Then the student turns and walks 50 meters south to their art classroom. What is the magnitude of the total distance traveled by the student?
a. 20 m
b. 30 m
c. 50 m
d. 70 m
Answer:
D
Explanation: Given that a student leaves their history classroom and walks 20 meters north to a drinking fountain. Then the student turns and walks 50 meters south to their art classroom.
The distance is a scalar quantity.
The distance = 50 + 20
distance = 70 metres
Therefore, the magnitude of the total distance traveled by the student is 70 metres. Which is option D
Which model is most likely used to predict a future event? a model of a cell a model of Mars a model of weather systems a model of prosthetic limbs
Answer:
C. a model of weather systems
Explanation:
just took the test on edge
hope this helps
Answer:
it is c
Explanation:
a model of weather systems
Which model is most likely used to predict a future event?
